Learning By Battling Snakes?

As developers, there's constantly some new and exciting tool, technique, or package that we **should** be learning. If you're anything like me, every couple of months, you create a new Git repository, install the latest packages, and start on a brand new side project, only to get bored as you have to write a user registration system for the umpteenth time. What if I told you there was a way to learn and experiment in a fun way?